.Input {
  margin-top: -30px;
  width: 400px;
  border-radius: 5px;
}
.span2 {
  margin-left: 20px;
  font-size: 20px;
}
.box {
  width: 500px;
  margin: 0 auto;
  text-align: center;
  margin-top: 50px;
}
.span {
  font-size: 20px;
}
.formItem {
  margin-bottom: 30px;
}
